Search a number
-
+
103310044021 = 17471091186231
BaseRepresentation
bin110000000110111000…
…0100010101101110101
3100212122212002000000201
41200031300202231311
53143034332402041
6115243204440501
710315055612422
oct1401560425565
9325585060021
10103310044021
113a8a4910178
12180323a9131
1399854ca682
1450008d2d49
152a49b23631
hex180dc22b75

103310044021 has 16 divisors (see below), whose sum is σ = 112739489280. Its totient is φ = 94291050240.

The previous prime is 103310043959. The next prime is 103310044063. The reversal of 103310044021 is 120440013301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103310044021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103310044021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103310044091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506025 + ... + 680206.

It is an arithmetic number, because the mean of its divisors is an integer number (7046218080).

Almost surely, 2103310044021 is an apocalyptic number.

It is an amenable number.

103310044021 is a deficient number, since it is larger than the sum of its proper divisors (9429445259).

103310044021 is a wasteful number, since it uses less digits than its factorization.

103310044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186404.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103310044021 its reverse (120440013301), we get a palindrome (223750057322).

The spelling of 103310044021 in words is "one hundred three billion, three hundred ten million, forty-four thousand, twenty-one".

Divisors: 1 17 47 109 799 1853 5123 87091 1186231 20165927 55752857 129299179 947798569 2198086043 6077061413 103310044021